begin  quoting Gregory Ruiz-Ade as of Thu, Mar 03, 2005 at 12:01:33AM -0800:
[snip]
> 6) easily merge maildir trees without overwriting or losing any 
> messages; merging multiple Maildir trees with rsync results in a union 
> of all those Maildir trees.

Ah, there's a good one I've not heard before.

Most of my email is spread out on three machines, all different, among
four mail clients. All the mail clients understand mbox; not all of
the mail clients understand maildir.

If they all understood maildir, it would make moving around mail
SO much easier...

> 7) restoring mail from backup, particularly after a partial loss (i.e., 
> "I deleted these seven very important emails from a client yesterday, 
> and didn't realize it until today") gets trivially easy, like #6, 
> above.  After restoring the particular maildir folder in question, the 
> only remaining "damage" is that some deleted messages have returned.  
> Having had to do such a restore before with mbox files had me nearly 
> tearing my hair out trying to make sure I didn't screw something up.  
> And, believe it or not, this is a request that comes through a couple 
> times a year.
 
Good bit. If I ever manage a mail-server again, that would be a key
feaure indeed.

I currently archive mboxes with gzip; it's simple, it's fast, it gets
the job done -- however, it requires unique names so that gunzipping 
does the Right Thing.  On the other hand, zcat works just fine for
searching archived folders.  Searching an archive .tgz folder would
be problematic.

> 8) Maildirs are ready-made for multiple, simultaneous access by client 
> programs.  This is particularly handy when it comes to IMAP servers.  
> Personally, I frequently end up with mail clients running on two or 
> more machines (laptop, workstation at work, sometimes also webmail if 
> I'm testing something, etc.) and mbox-based IMAP servers 
> *cough*uwimap*cough* will kill any existing connections when a new one 
> is established, causing mail clients to disconnect and behave rudely.  
> Because of the complete lack of need for locking for Maildirs, there's 
> no need to enforce a one-at-a-time approach to access.

I probably ought to use IMAP more, but I tend to store my mail locally.

-Stewart "I could start mixing-and-matching, I suppose..." Stremler
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